 *,
 *:after,
 *:before {
     box-sizing: border-box;

     outline: none;
 }

 html,
 body {
     height: 100%;
     width: 100%;
 }

 html,
 body,
 div,
 span,
 applet,
 object,
 iframe,
 h1,
 h2,
 h3,
 h4,
 h5,
 h6,
 p,
 blockquote,
 pre,
 a,
 abbr,
 acronym,
 address,
 big,
 cite,
 code,
 del,
 dfn,
 em,
 img,
 ins,
 kbd,
 q,
 s,
 samp,
 small,
 strike,
 strong,
 sub,
 sup,
 tt,
 var,
 b,
 u,
 i,
 center,
 dl,
 dt,
 dd,
 ol,
 ul,
 li,
 fieldset,
 form,
 label,
 legend,
 table,
 caption,
 tbody,
 tfoot,
 thead,
 tr,
 th,
 td,
 article,
 aside,
 canvas,
 details,
 embed,
 figure,
 figcaption,
 footer,
 header,
 hgroup,
 menu,
 nav,
 output,
 ruby,
 section,
 summary,
 time,
 mark,
 audio,
 video {
     font: inherit;
     font-size: 100%;
     font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
     margin: 0;
     padding: 0;

     vertical-align: baseline;

     border: 0;
 }

 article,
 aside,
 details,
 figcaption,
 figure,
 footer,
 header,
 hgroup,
 menu,
 nav,
 section {
     display: block;
 }

 body {
     line-height: 1;
 }

 ol,
 ul {
     list-style: none;
 }

 blockquote,
 q {
     quotes: none;

     &:before,
     &:after {
         content: '';
         content: none;
     }
 }

 sub,
 sup {
     font-size: 75%;
     line-height: 0;

     position: relative;

     vertical-align: baseline;
 }

 sup {
     top: -.5em;
 }

 sub {
     bottom: -.25em;
 }

 table {
     border-spacing: 0;
     border-collapse: collapse;
 }

 input,
 textarea,
 button {
     font-family: inhert;
     font-size: inherit;

     color: inherit;
 }

 select {
     text-indent: .01px;
     text-overflow: '';

     border: 0;
     border-radius: 0;

 }

 select::-ms-expand {
     display: none;
 }

 code,
 pre {
     font-family: monospace, monospace;
     font-size: 1em;
 }



 .el-menu--collapse {
     width: 54px;

     li {

         .el-tooltip,
         .el-sub-menu__title {
             padding: 0px 15px !important;
         }
     }
 }

 .el-menu--collapse {
     >.el-menu-item {
         display: flex;
         justify-content: center;
     }
 }